[flang-commits] [flang] [RFC][flang] Add support for assumed-shape dummy arrays repacking. (PR #127147)

[Slava Zakharin via flang-commits]

vzakhari wrote:

Tom, I think a valid program may process different parts of the same array in different threads (such as in example #2 in the doc) without any synchronization.  The packing/unpacking breaks such a correct program just because it reads/modifies the whole array vs only the part that is supposed to be processed by the thread where pack/unpack is executed.  And there is no way for packing/unpacking to know which part of the array needs to be copied.

https://github.com/llvm/llvm-project/pull/127147